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- Schwellnus, F. (author)
Study of low work function materials for hot cavity resonance ionization laser ion sources
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- Elsevier BV,2009
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-32655
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-32655URI
- https://doi.org/10.1016/j.nimb.2009.02.068DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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- QC 20110418
- The selectivity of a hot cavity resonance ionization laser ion source (RILIS) is most often limited by contributions from competing surface ionization of the hot walls of the ionization cavity. In this article we present investigations on the properties of designated high temperature, low work function materials regarding their performance and suitability as cavity material for RILIS. Tungsten test cavities, impregnated with a mixture of barium oxide and strontium oxide (BaOSrO on W), or alternatively gadolinium hexaboride (GdB6) were studied in comparison to a standard tungsten RILIS cavity as being routinely used for hot cavity laser ionization at ISOLDE. Measurement campaigns took place at the off-line mass separators at ISOLDE/CERN, Geneva and RISIKO/University of Mainz.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- Laser ion source
- Radioactive ion beams
- Physics
- Fysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Catherall, R. (author)
- Crepieux, B. (author)
- Fedosseev, V. N. (author)
- Marsh, B. A. (author)
- Mattolat, Ch. (author)
- Menna, M. (author)
- Österdahl, FabianKTH,Kemisk fysik(Swepub:kth)u1er6waw (author)
- Raeder, S. (author)
- Stora, T. (author)
- Wendt, K. (author)
- KTHKemisk fysik (creator_code:org_t)
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- In:Nuclear Instruments and Methods in Physics Research Section B: Elsevier BV267:10, s. 1856-18610168-583X1872-9584
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